diff --git a/init.lua b/init.lua
index 96ec4b9..ba500ed 100644
--- a/init.lua
+++ b/init.lua
@@ -5,7 +5,7 @@
 	
 	
 arrow_signs={}
-
+arrow_signs.formspec = "field[text;Sign text:;${text}]";
  function arrow_signs:savetext(pos, formname, fields, sender)
 		
 		if not minetest.get_player_privs(sender:get_player_name())["interact"] then
@@ -35,33 +35,9 @@ function arrow_signs:create_lines(text)
 	return text
 end
 
-
-local clone_registered = function(case,name)
-    local params = {}
-    local list
-    if case == "item" then list = minetest.registered_items end
-    if case == "node" then list = minetest.registered_nodes end
-    if case == "craftitem" then list = minetest.registered_craftitems end
-    if case == "tool" then list = minetest.registered_tools end
-    if case == "entity" then list = minetest.registered_entities end
-    if list then
-        for k,v in pairs(list[name]) do
-            params[k] = v
-        end
-    end
-    return params
-end
-
--- usage
-local node = clone_registered("node","default:sign_wall")
-if node.legacy_wallmounted then
-	node.groups = {choppy=2,dig_immediate=2,attached_node=1,sign=1}
-else
-	node.groups = {choppy=2,dig_immediate=2,sign=1}
-end
-minetest.register_node(":default:sign_wall",  node)
-
-
+minetest.override_item("default:sign_wall", {
+    groups = {choppy=2,dig_immediate=2,attached_node=1,sign=1},
+})
 
 
 
@@ -91,7 +67,7 @@ minetest.register_node("arrow_signs:wall_right", {
 	on_construct = function(pos)
 		--local n =  minetest.get_node(pos)
 		local meta =  minetest.get_meta(pos)
-		meta:set_string("formspec", "hack:sign_text_input")
+		meta:set_string("formspec", arrow_signs.formspec)
 		meta:set_string("infotext", "\"\"")
 	end,
 	on_receive_fields = function(pos, formname, fields, sender)
@@ -123,7 +99,7 @@ minetest.register_node("arrow_signs:wall_left", {
 	on_construct = function(pos)
 		--local n =  minetest.get_node(pos)
 		local meta =  minetest.get_meta(pos)
-		meta:set_string("formspec", "hack:sign_text_input")
+		meta:set_string("formspec", arrow_signs.formspec)
 		meta:set_string("infotext", "\"\"")
 	end,
 	on_receive_fields = function(pos, formname, fields, sender)
@@ -154,7 +130,7 @@ minetest.register_node("arrow_signs:wall_up", {
 	on_construct = function(pos)
 		--local n =  minetest.get_node(pos)
 		local meta =  minetest.get_meta(pos)
-		meta:set_string("formspec", "hack:sign_text_input")
+		meta:set_string("formspec", arrow_signs.formspec)
 		meta:set_string("infotext", "\"\"")
 	end,
 	on_receive_fields = function(pos, formname, fields, sender)
@@ -185,7 +161,7 @@ minetest.register_node("arrow_signs:wall_down", {
 	on_construct = function(pos)
 		--local n =  minetest.get_node(pos)
 		local meta =  minetest.get_meta(pos)
-		meta:set_string("formspec", "hack:sign_text_input")
+		meta:set_string("formspec", arrow_signs.formspec)
 		meta:set_string("infotext", "\"\"")
 	end,
 	on_receive_fields = function(pos, formname, fields, sender)